《中国植物志》|| 胡颓子科 ELAEAGNACEAE ||落叶组 Scct. 2. deciduae Serv. ||南川牛奶子 Elaeagnus nanchuanensis C. Y. Chang
48.南川牛奶子(四川植物志)图版15:1-4
Elaeagnus nanchuanensis C. Y. Chang, in, Fl. Sichuan 1: 46 4. 1981.
落叶直立灌木,高达5米,具粗短的刺;小枝开展成80-90度的角,幼枝褐色或锈色,被鳞片;老枝圆柱形,黑色或灰褐色,粗壮而坚硬;芽深褐色或锈色。叶纸质,阔椭圆形或倒披针状椭圆形,长4-8厘米,宽1.8-3.5厘米,顶端钝形或渐尖,基部圆形或楔形,全缘,上面幼时具淡白色鳞片,成熟后脱落,常有凹下斑点,干燥后黑褐色或褐绿色,下面灰褐色或褐色,被灰白色或褐色鳞片,侧脉6-8对,两面不甚明显;叶柄被锈色或褐色鳞片,长4-8毫米。花褐色或淡黄褐色,密被褐色或黄色鳞片,常5-7花簇生叶腋短小枝上或新枝基部;花梗极短或几无,长约l毫米;萼筒圆筒状钟形,长5-6毫米,在裂片下面不甚收缩,在子房上明显收缩,内面除喉部疏生白色星状柔毛外,其余无毛,裂片宽卵形,长2-3毫米,顶端钝形,内面黄色,无毛,包围子房的萼管矩圆形,锈色,长约1毫米;雄蕊贴生萼筒喉部,花丝极短,花药阔椭圆形,长1.2毫米;花柱直立,无毛,超过雄蕊。果实椭圆形,长12-16毫米,直径约为长的一半,被褐色鳞片,成熟时红色;果梗粗壮,长3-9毫米。花期4-5月,果期6-7月。
产四川南部、贵州北部;生于海拔750-1570米的向阳山坡或沟旁。模式标本采自四川南川(金佛山)。
本种与银果牛奶子E. magna Rehd.相近,区别在于本种的花为褐色或淡黄褐色,萼筒长5-6毫米;果实密被褐色鳞片;幼枝褐色或锈色。
Source 中国植物物种信息数据库
《Flora of China》|| Elaeagnaceae || Elaeagnus ||南川牛奶子 Elaeagnus nanchuanensis
59. Elaeagnus nanchuanensis C. Y. Chang, Fl. Sichuan. 1: 464. 1981.
南川牛奶子 nan chuan niu nai zi
Shrubs, deciduous, erect, to 5 m tall. Spines thick; young branches and fruit with dense rust-colored or brown scales. Petiole 4-8 mm, with rust-colored or brown scales; leaf blade drying somewhat blackish, abaxially mottled brown, broadly elliptic or oblanceolate, 4-8 × 1.8-3.5 cm, papery, abaxially with overlapping scales, scales with brown center and pale, irregularly shallowly divided, toothed margins, adaxially with light white scales while young, scales similar to abaxial scales, lateral veins 6-8 per side of midrib, obscure, base rounded or cuneate, margin entire, apex obtuse to acuminate. Flowers often 5-7 in axillary clusters or along very short shoot. Pedicel very short or absent; fruiting pedicel 3-9 mm, thick. Flowers brown, inside yellow, outside with overlapping brown or yellow scales; scales shallowly lobed, subentire, inside completely glabrous. Calyx tube tubular-campanulate, 5-6 mm, conspicuously constricted above ovary, with sparse white stellate hairs or narrow pilose ring around throat; lobes broadly ovate, 2-4(-6) mm, inside yellow. Filaments very short, ca. 0.3 mm; anthers oblong, 1-1.6 mm. Style straight, ca. 8 mm, usually glabrous. Drupe red, ellipsoid, 1.2-1.6 × ca. 0.8 cm; scales dense, silvery brown, irregularly shallowly lobed. Fl. Apr-May, fr. Jun-Jul.
● Eastern slopes, streamsides; 700-1600 m. Chongqing, N Guizhou, Sichuan.
Source eFloras.org